2255396520 has 256 divisors, whose sum is σ = 7838208000. Its totient is φ = 514446336.

The previous prime is 2255396509. The next prime is 2255396557. The reversal of 2255396520 is 256935522.

2255396520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2255396520² = 10173626924856220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1392271 + ... + 1393889.

It is an arithmetic number, because the mean of its divisors is an integer number (30618000).

Almost surely, 2^2255396520 is an apocalyptic number.

2255396520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2255396520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3919104000).

2255396520 is an abundant number, since it is smaller than the sum of its proper divisors (5582811480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2255396520 is a wasteful number, since it uses less digits than its factorization.

2255396520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712 (or 1708 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 2255396520 is about 47491.0151502366. The cubic root of 2255396520 is about 1311.4174816508.

The spelling of 2255396520 in words is "two billion, two hundred fifty-five million, three hundred ninety-six thousand, five hundred twenty".